-token_t Tok = TOK_NONE; /* Current token */
-int WS; /* Flag: Whitespace before token */
-long IVal; /* Integer token attribute */
-StrBuf SVal = STATIC_STRBUF_INITIALIZER;/* String token attribute */
-
-FilePos CurPos = STATIC_FILEPOS_INITIALIZER; /* Name and position in current file */
-
-
+/* Current input token incl. attributes */
+Token CurTok = STATIC_TOKEN_INITIALIZER;
/* Struct to handle include files. */
typedef struct InputFile InputFile;
/* Initialize a new input source and start to use it. */
{
/* Remember the current input char and token */
- S->Tok = Tok;
+ S->Tok = CurTok.Tok;
S->C = C;
/* Use the new input source */
/* Setup the next token so it will be skipped on the next call to
* NextRawTok().
*/
- Tok = TOK_SEP;
+ CurTok.Tok = TOK_SEP;
}
Source->Func->Done (Source);
/* Restore the old token */
- Tok = Source->Tok;
+ CurTok.Tok = Source->Tok;
C = Source->C;
/* Remember the last stacked input source */
static void IFMarkStart (CharSource* S)
/* Mark the start of the next token */
{
- CurPos = S->V.File.Pos;
+ CurTok.Pos = S->V.File.Pos;
}
void LocaseSVal (void)
/* Make SVal lower case */
{
- SB_ToLower (&SVal);
+ SB_ToLower (&CurTok.SVal);
}
void UpcaseSVal (void)
/* Make SVal upper case */
{
- SB_ToUpper (&SVal);
+ SB_ToUpper (&CurTok.SVal);
}
-static unsigned char FindDotKeyword (void)
+static token_t FindDotKeyword (void)
/* Find the dot keyword in SVal. Return the corresponding token if found,
* return TOK_NONE if not found.
*/
struct DotKeyword* R;
/* Initialize K */
- K.Key = SB_GetConstBuf (&SVal);
+ K.Key = SB_GetConstBuf (&CurTok.SVal);
K.Tok = 0;
/* If we aren't in ignore case mode, we have to uppercase the keyword */
/* Search for the keyword */
R = bsearch (&K, DotKeywords, sizeof (DotKeywords) / sizeof (DotKeywords [0]),
- sizeof (DotKeywords [0]), CmpDotKeyword);
+ sizeof (DotKeywords [0]), CmpDotKeyword);
if (R != 0) {
return R->Tok;
} else {
{
/* Read the identifier */
do {
- SB_AppendChar (&SVal, C);
+ SB_AppendChar (&CurTok.SVal, C);
NextChar ();
} while (IsIdChar (C));
- SB_Terminate (&SVal);
+ SB_Terminate (&CurTok.SVal);
/* If we should ignore case, convert the identifier to upper case */
if (IgnoreCase) {
}
/* Append the char to the string */
- SB_AppendChar (&SVal, C);
+ SB_AppendChar (&CurTok.SVal, C);
/* Skip the character */
NextChar ();
NextChar ();
/* Terminate the string */
- SB_Terminate (&SVal);
+ SB_Terminate (&CurTok.SVal);
}
{
/* If we've a forced end of assembly, don't read further */
if (ForcedEnd) {
- Tok = TOK_EOF;
+ CurTok.Tok = TOK_EOF;
return;
}
Again:
/* Skip whitespace, remember if we had some */
- if ((WS = IsBlank (C)) != 0) {
+ if ((CurTok.WS = IsBlank (C)) != 0) {
do {
NextChar ();
} while (IsBlank (C));
Source->Func->MarkStart (Source);
/* Clear the string attribute */
- SB_Clear (&SVal);
+ SB_Clear (&CurTok.SVal);
/* Hex number or PC symbol? */
if (C == '$') {
/* Hex digit must follow or DollarIsPC must be enabled */
if (!IsXDigit (C)) {
if (DollarIsPC) {
- Tok = TOK_PC;
+ CurTok.Tok = TOK_PC;
return;
} else {
Error ("Hexadecimal digit expected");
}
/* Read the number */
- IVal = 0;
+ CurTok.IVal = 0;
while (IsXDigit (C)) {
- if (IVal & 0xF0000000) {
+ if (CurTok.IVal & 0xF0000000) {
Error ("Overflow in hexadecimal number");
- IVal = 0;
+ CurTok.IVal = 0;
}
- IVal = (IVal << 4) + DigitVal (C);
+ CurTok.IVal = (CurTok.IVal << 4) + DigitVal (C);
NextChar ();
}
/* This is an integer constant */
- Tok = TOK_INTCON;
+ CurTok.Tok = TOK_INTCON;
return;
}
}
/* Read the number */
- IVal = 0;
+ CurTok.IVal = 0;
while (IsBDigit (C)) {
- if (IVal & 0x80000000) {
- Error ("Overflow in binary number");
- IVal = 0;
+ if (CurTok.IVal & 0x80000000) {
+ Error ("Overflow in binary number");
+ CurTok.IVal = 0;
}
- IVal = (IVal << 1) + DigitVal (C);
+ CurTok.IVal = (CurTok.IVal << 1) + DigitVal (C);
NextChar ();
}
/* This is an integer constant */
- Tok = TOK_INTCON;
+ CurTok.Tok = TOK_INTCON;
return;
}
}
/* Convert the number using the given base */
- IVal = 0;
+ CurTok.IVal = 0;
for (I = 0; I < Digits; ++I) {
- if (IVal > Max) {
+ if (CurTok.IVal > Max) {
Error ("Number out of range");
- IVal = 0;
+ CurTok.IVal = 0;
break;
}
DVal = DigitVal (Buf[I]);
if (DVal > Base) {
Error ("Invalid digits in number");
- IVal = 0;
+ CurTok.IVal = 0;
break;
}
- IVal = (IVal * Base) + DVal;
+ CurTok.IVal = (CurTok.IVal * Base) + DVal;
}
/* This is an integer constant */
- Tok = TOK_INTCON;
+ CurTok.Tok = TOK_INTCON;
return;
}
if (!IsIdStart (C)) {
/* Just a dot */
- Tok = TOK_DOT;
+ CurTok.Tok = TOK_DOT;
} else {
/* Read the remainder of the identifier */
- SB_AppendChar (&SVal, '.');
+ SB_AppendChar (&CurTok.SVal, '.');
ReadIdent ();
/* Dot keyword, search for it */
- Tok = FindDotKeyword ();
- if (Tok == TOK_NONE) {
+ CurTok.Tok = FindDotKeyword ();
+ if (CurTok.Tok == TOK_NONE) {
/* Not found */
if (!LeadingDotInIdents) {
/* Invalid pseudo instruction */
- Error ("`%m%p' is not a recognized control command", &SVal);
+ Error ("`%m%p' is not a recognized control command", &CurTok.SVal);
goto Again;
}
/* An identifier with a dot. Check if it's a define style
* macro.
*/
- if (IsDefine (&SVal)) {
+ if (IsDefine (&CurTok.SVal)) {
/* This is a define style macro - expand it */
MacExpandStart ();
goto Restart;
}
/* Just an identifier with a dot */
- Tok = TOK_IDENT;
+ CurTok.Tok = TOK_IDENT;
}
}
*/
if (CPU == CPU_SWEET16 && C == '@') {
NextChar ();
- Tok = TOK_AT;
+ CurTok.Tok = TOK_AT;
return;
}
ReadIdent ();
/* Start character alone is not enough */
- if (SB_GetLen (&SVal) == 1) {
+ if (SB_GetLen (&CurTok.SVal) == 1) {
Error ("Invalid cheap local symbol");
goto Again;
}
/* A local identifier */
- Tok = TOK_LOCAL_IDENT;
+ CurTok.Tok = TOK_LOCAL_IDENT;
return;
}
/* Check for special names. Bail out if we have identified the type of
* the token. Go on if the token is an identifier.
*/
- if (SB_GetLen (&SVal) == 1) {
- switch (toupper (SB_AtUnchecked (&SVal, 0))) {
+ if (SB_GetLen (&CurTok.SVal) == 1) {
+ switch (toupper (SB_AtUnchecked (&CurTok.SVal, 0))) {
- case 'A':
+ case 'A':
if (C == ':') {
NextChar ();
- Tok = TOK_OVERRIDE_ABS;
+ CurTok.Tok = TOK_OVERRIDE_ABS;
} else {
- Tok = TOK_A;
+ CurTok.Tok = TOK_A;
}
return;
case 'F':
if (C == ':') {
NextChar ();
- Tok = TOK_OVERRIDE_FAR;
+ CurTok.Tok = TOK_OVERRIDE_FAR;
return;
}
break;
case 'S':
if (CPU == CPU_65816) {
- Tok = TOK_S;
+ CurTok.Tok = TOK_S;
return;
}
break;
case 'X':
- Tok = TOK_X;
+ CurTok.Tok = TOK_X;
return;
case 'Y':
- Tok = TOK_Y;
+ CurTok.Tok = TOK_Y;
return;
case 'Z':
if (C == ':') {
NextChar ();
- Tok = TOK_OVERRIDE_ZP;
+ CurTok.Tok = TOK_OVERRIDE_ZP;
return;
}
break;
break;
}
- } else if (CPU == CPU_SWEET16 && (IVal = Sweet16Reg (&SVal)) >= 0) {
+ } else if (CPU == CPU_SWEET16 &&
+ (CurTok.IVal = Sweet16Reg (&CurTok.SVal)) >= 0) {
/* A sweet16 register number in sweet16 mode */
- Tok = TOK_REG;
+ CurTok.Tok = TOK_REG;
return;
}
/* Check for define style macro */
- if (IsDefine (&SVal)) {
+ if (IsDefine (&CurTok.SVal)) {
/* Macro - expand it */
MacExpandStart ();
goto Restart;
} else {
/* An identifier */
- Tok = TOK_IDENT;
+ CurTok.Tok = TOK_IDENT;
}
return;
}
case '+':
NextChar ();
- Tok = TOK_PLUS;
+ CurTok.Tok = TOK_PLUS;
return;
case '-':
NextChar ();
- Tok = TOK_MINUS;
+ CurTok.Tok = TOK_MINUS;
return;
case '/':
NextChar ();
if (C != '*') {
- Tok = TOK_DIV;
+ CurTok.Tok = TOK_DIV;
} else if (CComments) {
/* Remember the position, then skip the '*' */
- FilePos Pos = CurPos;
+ FilePos Pos = CurTok.Pos;
NextChar ();
do {
while (C != '*') {
case '*':
NextChar ();
- Tok = TOK_MUL;
+ CurTok.Tok = TOK_MUL;
return;
case '^':
NextChar ();
- Tok = TOK_XOR;
+ CurTok.Tok = TOK_XOR;
return;
case '&':
NextChar ();
if (C == '&') {
NextChar ();
- Tok = TOK_BOOLAND;
+ CurTok.Tok = TOK_BOOLAND;
} else {
- Tok = TOK_AND;
+ CurTok.Tok = TOK_AND;
}
return;
NextChar ();
if (C == '|') {
NextChar ();
- Tok = TOK_BOOLOR;
+ CurTok.Tok = TOK_BOOLOR;
} else {
- Tok = TOK_OR;
+ CurTok.Tok = TOK_OR;
}
return;
case ':':
NextChar ();
- Tok = TOK_NAMESPACE;
+ CurTok.Tok = TOK_NAMESPACE;
break;
case '-':
- IVal = 0;
+ CurTok.IVal = 0;
do {
- --IVal;
- NextChar ();
+ --CurTok.IVal;
+ NextChar ();
} while (C == '-');
- Tok = TOK_ULABEL;
+ CurTok.Tok = TOK_ULABEL;
break;
case '+':
- IVal = 0;
+ CurTok.IVal = 0;
do {
- ++IVal;
+ ++CurTok.IVal;
NextChar ();
} while (C == '+');
- Tok = TOK_ULABEL;
+ CurTok.Tok = TOK_ULABEL;
break;
case '=':
NextChar ();
- Tok = TOK_ASSIGN;
+ CurTok.Tok = TOK_ASSIGN;
break;
default:
- Tok = TOK_COLON;
+ CurTok.Tok = TOK_COLON;
break;
}
return;
case ',':
NextChar ();
- Tok = TOK_COMMA;
+ CurTok.Tok = TOK_COMMA;
return;
case ';':
case '#':
NextChar ();
- Tok = TOK_HASH;
+ CurTok.Tok = TOK_HASH;
return;
case '(':
NextChar ();
- Tok = TOK_LPAREN;
+ CurTok.Tok = TOK_LPAREN;
return;
case ')':
NextChar ();
- Tok = TOK_RPAREN;
+ CurTok.Tok = TOK_RPAREN;
return;
case '[':
NextChar ();
- Tok = TOK_LBRACK;
+ CurTok.Tok = TOK_LBRACK;
return;
case ']':
NextChar ();
- Tok = TOK_RBRACK;
+ CurTok.Tok = TOK_RBRACK;
return;
case '{':
NextChar ();
- Tok = TOK_LCURLY;
+ CurTok.Tok = TOK_LCURLY;
return;
case '}':
NextChar ();
- Tok = TOK_RCURLY;
+ CurTok.Tok = TOK_RCURLY;
return;
case '<':
NextChar ();
if (C == '=') {
NextChar ();
- Tok = TOK_LE;
+ CurTok.Tok = TOK_LE;
} else if (C == '<') {
NextChar ();
- Tok = TOK_SHL;
+ CurTok.Tok = TOK_SHL;
} else if (C == '>') {
NextChar ();
- Tok = TOK_NE;
+ CurTok.Tok = TOK_NE;
} else {
- Tok = TOK_LT;
+ CurTok.Tok = TOK_LT;
}
return;
case '=':
NextChar ();
- Tok = TOK_EQ;
+ CurTok.Tok = TOK_EQ;
return;
case '!':
NextChar ();
- Tok = TOK_BOOLNOT;
+ CurTok.Tok = TOK_BOOLNOT;
return;
case '>':
NextChar ();
if (C == '=') {
NextChar ();
- Tok = TOK_GE;
+ CurTok.Tok = TOK_GE;
} else if (C == '>') {
NextChar ();
- Tok = TOK_SHR;
+ CurTok.Tok = TOK_SHR;
} else {
- Tok = TOK_GT;
+ CurTok.Tok = TOK_GT;
}
return;
case '~':
NextChar ();
- Tok = TOK_NOT;
+ CurTok.Tok = TOK_NOT;
return;
case '\'':
*/
if (LooseStringTerm) {
ReadStringConst ('\'');
- if (SB_GetLen (&SVal) == 1) {
- IVal = SB_AtUnchecked (&SVal, 0);
- Tok = TOK_CHARCON;
+ if (SB_GetLen (&CurTok.SVal) == 1) {
+ CurTok.IVal = SB_AtUnchecked (&CurTok.SVal, 0);
+ CurTok.Tok = TOK_CHARCON;
} else {
- Tok = TOK_STRCON;
+ CurTok.Tok = TOK_STRCON;
}
} else {
/* Always a character constant */
Error ("Illegal character constant");
goto CharAgain;
}
- IVal = C;
- Tok = TOK_CHARCON;
+ CurTok.IVal = C;
+ CurTok.Tok = TOK_CHARCON;
NextChar ();
if (C != '\'') {
if (!MissingCharTerm) {
case '\"':
ReadStringConst ('\"');
- Tok = TOK_STRCON;
+ CurTok.Tok = TOK_STRCON;
return;
case '\\':
case '\n':
NextChar ();
- Tok = TOK_SEP;
+ CurTok.Tok = TOK_SEP;
return;
case EOF:
DoneCharSource ();
goto Again;
} else {
- Tok = TOK_EOF;
+ CurTok.Tok = TOK_EOF;
}
return;
}
unsigned I;
/* Must have an identifier */
- PRECONDITION (Tok == TOK_IDENT);
+ PRECONDITION (CurTok.Tok == TOK_IDENT);
/* If we aren't in ignore case mode, we have to uppercase the identifier */
if (!IgnoreCase) {
/* Do a linear search (a binary search is not worth the effort) */
for (I = 0; I < Count; ++I) {
- if (SB_CompareStr (&SVal, Keys [I]) == 0) {
+ if (SB_CompareStr (&CurTok.SVal, Keys [I]) == 0) {
/* Found it */
return I;
}
unsigned char AddrSize;
/* Check for an identifier */
- if (Tok != TOK_IDENT) {
+ if (CurTok.Tok != TOK_IDENT) {
Error ("Address size specifier expected");
return ADDR_SIZE_DEFAULT;
}
/* Convert the attribute */
- AddrSize = AddrSizeFromStr (SB_GetConstBuf (&SVal));
+ AddrSize = AddrSizeFromStr (SB_GetConstBuf (&CurTok.SVal));
if (AddrSize == ADDR_SIZE_INVALID) {
Error ("Address size specifier expected");
AddrSize = ADDR_SIZE_DEFAULT;
+